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| 5/1/2021 | Charleston Speedway - Charleston, IL FIRST Night for UMP and Track Points DIRTcar UMP Modifieds, DIRTcar Factory Stock, Street Stocks, Hornets, 600cc Modifieds, DIRTcar Pro Modifieds | Results | | Chris Grigg (DIRTcar UMP Modifieds) | 4th | - | - | 13th (DNF) |
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| 5/15/2021 | Charleston Speedway - Charleston, IL WEEKLY RACING DIRTcar UMP Modifieds, DIRTcar Factory Stock, Street Stocks, Hornets, DIRTcar Pro Modifieds | Results | | Chris Grigg (DIRTcar UMP Modifieds) | 6th | - | - | 14th (DNF) |
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| 6/5/2021 | Charleston Speedway - Charleston, IL WEEKLY RACING DIRTcar UMP Modifieds, DIRTcar Factory Stock, Street Stocks, Hornets, DIRTcar Pro Modifieds | Results | | Chris Grigg (DIRTcar UMP Modifieds) | 7th | - | - | 19th (DNF) |
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| 6/12/2021 | Charleston Speedway - Charleston, IL WEEKLY RACING DIRTcar UMP Modifieds, Street Stocks, Dirt Late Models, Hornets, DIRTcar Pro Modifieds | Rain Out |
| 7/3/2021 | Brownstown Bullring - Brownstown, IL $3000 to win $200 to start DIRTcar Late Models: DIRTcar Summer Nationals DIRTcar UMP Modifieds: DIRTcar Modified Nationals with Summit American Modified Series | Results | | Chris Grigg (DIRTcar UMP Modifieds) | 9th | - | 6th | - |
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| 7/17/2021 | Macon Speedway - Macon, IL Church Night Featuring Faster Pastor Race DIRTcar UMP Modifieds, Winged A-Class, B Modifieds, Street Stocks, Hornets, Pro Late Model, Limited Modified | Results | | Chris Grigg (Hornets) | 7th | - | 5th | 19th (DNF) |
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| 7/24/2021 | Charleston Speedway - Charleston, IL WEEKLY RACING DIRTcar UMP Modifieds, DIRTcar Factory Stock, Street Stocks, Dirt Late Models, Hornets, DIRTcar Pro Modifieds | Results | | Chris Grigg (DIRTcar UMP Modifieds) | 7th (DNF) | - | 7th | - |
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| 7/31/2021 | Charleston Speedway - Charleston, IL J. Smith & T. Robertson Productions $1,500 to win Sprints Plus Weekly Racing DIRTcar UMP Modifieds, Street Stocks, Dirt Late Models, 410 Sprints - Non-Winged, Hornets, DIRTcar Pro Modifieds | Results | | Chris Grigg (DIRTcar UMP Modifieds) | 5th | - | - | 11th |
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| 8/7/2021 | Charleston Speedway - Charleston, IL DRIVERS AUTOGRAPH NIGHT DIRTcar UMP Modifieds, DIRTcar Factory Stock, Street Stocks, Dirt Late Models, Hornets, DIRTcar Pro Modifieds | Results | | Chris Grigg (DIRTcar UMP Modifieds) | 8th | - | 10th | - |
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| 8/14/2021 | Charleston Speedway - Charleston, IL WEEKLY RACING DIRTcar UMP Modifieds, DIRTcar Factory Stock, Street Stocks, Hornets, 600cc Modifieds, DIRTcar Pro Modifieds | Results | | Chris Grigg (DIRTcar UMP Modifieds) | 8th | - | - | 9th |
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| 8/21/2021 | Charleston Speedway - Charleston, IL WEEKLY RACING DIRTcar UMP Modifieds, Street Stocks, Dirt Late Models, Hornets, 600cc Modifieds, DIRTcar Pro Modifieds | Results | | Chris Grigg (DIRTcar UMP Modifieds) | 7th | - | 9th (DNF) | - |
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| 8/28/2021 | Charleston Speedway - Charleston, IL Leaf Tree Service presents The .38 SPECIAL for UMP MODIFIEDS!! DIRTcar UMP Modifieds, DIRTcar Factory Stock, Hornets | Results | | Chris Grigg (DIRTcar UMP Modifieds) | 6th | - | 7th | - |
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| 9/5/2021 | Brownstown Bullring - Brownstown, IL $5000 to win $250 to start DIRTcar UMP Modifieds: Summit American Modified Series | Results | | Chris Grigg (DIRTcar UMP Modifieds) | 11th | - | 7th | - |
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| 9/11/2021 | Charleston Speedway - Charleston, IL WEEKLY RACING DIRTcar UMP Modifieds, DIRTcar Factory Stock, Street Stocks, Hornets, DIRTcar Pro Modifieds | Results | | Chris Grigg (DIRTcar UMP Modifieds) | 8th | - | - | 9th |
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| 9/25/2021 | Charleston Speedway - Charleston, IL DOUBLE POINTS -and- CHAMPIONSHIP NIGHT DIRTcar UMP Modifieds, DIRTcar Factory Stock, Street Stocks, Dirt Late Models, Hornets, DIRTcar Pro Modifieds | Results | | Chris Grigg (DIRTcar UMP Modifieds) | 7th | - | - | 13th (DNF) |
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| 10/23/2021 | Charleston Speedway - Charleston, IL TRUNK or TREAT Night + Powder Puff & Mechanics Race DIRTcar UMP Modifieds, DIRTcar Factory Stock, Street Stocks, Dirt Late Models, Hornets, DIRTcar Pro Modifieds | Results | | Chris Grigg (DIRTcar UMP Modifieds) | 8th | - | - | 14th |
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